You can start by being clear about your location. The internet is a crossboarder institution. If I'm not mistaken you are in the UK, but that's not exactly clear to everyone.
Most of the UK Iai and Kendo folks hang out at two different forums. Your request would get a better response at either http://www.swordforum.com
Both sites have a forum dedicated to Japanese Sword Arts and both require you to use your real name. I'm certain someone on one of the two forums can point you to your best training oppurtunities.